OpenTechnical

OT-2026-000087049

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000087049) never changes.

Identity and time

Publication numberOT-2026-000087049 · never reused
Internal UUID01a0ae9a-9f2d-7981-84c2-e35a906d46aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087049
StatusPUBLIC

Content hashes

Canonical texte57299a84b0af6079aa1ca61c9672593013d1db145c8a73f436cd7e1e76388ea
Markdowneb12cee694bf426a048fd20ddfb68760e0512bd53ea6f6062a303b60bb3f5507
PDF
Publication page6ec8cbff833b2d433a8857d41c91e0ac42797a7ca0403d088415e58a5fce1a82
Manifest16df663eddc4a8e29bbc1360573e2772ea37f796b1f01d9037228858f61e4843

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCbKK3RRGuNnhRbtecH4zjemvexf0rKLmhhELryzXquYZ0dHX/iBT1nPWdEY0GElvQRsbUEHEH1F3SAt0q+dtBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:17.689426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087049
observed 6ec8cbff833b2d433a8857d41c91e0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.672332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087049/manifest.json
observed 16df663eddc4a8e29bbc1360573e2772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.655476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087049/publication.md
observed eb12cee694bf426a048fd20ddfb68760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.638755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087049/publication.txt
observed e57299a84b0af6079aa1ca61c9672593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.